Brick-kiln.



W. GIBFORD.

BRICK KILN.

APPLIOATION FILED AUG.13,1909.

Patented June 15, 1909.

3 SHIETE-SHEET l.

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W. GIBFORD.

BRICK KILN. APPLICATION IILBD AUGJB, 1908.

Patented June 15, 1909 8 BHEETS-SHEET 2..

Witnaooeo N l% MTZ/ w. GIBPORD.

BRICK KILN.

APPLIOATION FILED AUGJS, 1908 Patented June 15,1909.

3 SHEETS-SHEET 3.

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THE NORRIS PETERS co.. wAsmuaraw, n. c.

UNITED STATES PATENT OFFICE.

WILLIAM GIBFORD, OF GOLDEN, COLORADO, ASSIGNOR OF ONE-HALF TO LAURENCEOTTENS,

OF GOLDEN, COLORADO.

BRIGK-KILN.

Specification of Letters Patent.

Application filed August 13, 1908.

Patented June 15, 1909.

Serial No. 448,420.

T all whom "it may concern:

Be it known that 1, WILLIAM GIBroRD, a citizen of the United States,residing at Golden, in the county of Jefferson and State of Colorado,have invented certain new and useful Improvements in Brick-Kilns; and Ido hereby declare the following to be a full, clear, and exactdescription of the invention, such as will enable others skilled in theart to which it appertains to make and use the same.

This invention relates to brick kilns, and has for an object to providea kiln embodying new and improved means for equality of firing.

A further object of the invention is to provide in a brick kiln means toproduce heat at spaced intervals, about the circumference of the kilnand to withdraw such heat downwardly throughout the floor area andespecially at the periphery of the floor.

A further object of the invention is to provide in a brick kiln a fluecommunicating with the stack and with radial flues adapted to draw theheat downwardly at the periphery of the kiln, and with other flues andopenings adapted to draw the heat downwardly throughout the entire floorarea.

With these and other objects in view, the invention comprises certainother novel constructions, combinations and arrangements of parts, aswill be hereinafter more fully described and claimed.

In the drawings: Figure 1 is a view showing a portion of the floor inplan with a wall in horizontal section and with other portions showingthe plan of the radial and diametrical flues. Fig. 2 is a diametrical,vertical section taken on line 2-2 of Fig. 1. Fig. 3 is a view in sideelevation. Fig. 4 is a transverse sectional view of the diametrical flueas taken on line 4.-4= of Fig. 2. Fig. 5 is a plan view of the tilesused for floor covering.

Like characters of reference designate corresponding parts throughoutthe several views.

The brick kiln forming the subject matter of this application comprisesa wall 10, circular in plan, and with doorways 11 preferably uponopposite sides closed in any approved manner, as by the doors shownconventionally at 12. The kiln is also provided with the usual dome top13 resting upon the wall and provided with a flue 14: at its apex,employed for cooling. About the wall 10 a thicker wall 15 is constructedin which a plurality of fire places or fire boxes 16 are supported,closed at the outer side by any approved form of door, shownconventionally at 17. The fire boxes 16 open inwardly through the wall10, and flues 18 communicate with said fire boxes and extend upwardly aportion of the height of the wall 10, here shown as approximatelyone-half of the distance.

To supply air to the fire boxes 16 to support combustion a sinuous flue19 is constructed upon each side of each fire box, comprising openings20 extending throu h the wall 15 adjacent each door 17 and dou ling uponitself to form a discharge port 21 slightly above the grate 22 andadjacent the rear end of the fire box or the flues 18. Vithin the kiln afloor, shown as a whole at 23, is constructed substantially on a levelwith the ground and a plurality of flues 24: are constructed by means ofdividing rows of brick 25 disposed within the dug-out portion of theground and preferably supported upon a course of paving brick, cement,or other material, at 26. The floor is preferably constructed of tiles27 shown in detail in Fig. 5 and having a cut-out portion 28 formingopenings communicating with the passageways or flues 2 1 in such floor.Transversely of the kiln a diametrical flue 29 is constructed, sunk inthe ground, communicating with the parallel flues 24 and also with theflue 30 extending outwardly beyond the limits of the kiln andcommunicating with a stack 31. The vertical limit of the transverse flue29 is shown in Fig. 2 by the arrows associated with the numeral and inFig. 4 the association of the diametrical flue 29 with the divisions 25and floor 23 is shown in detail. Sunken beneath the course of pavingbrick or other paving material 26 a plurality of radial flues 32 areemployed, communicating centrally with the diametrical flue 29 and attheir extremities by means of openings 33 upwardly through the floor 23adjacent the inner periphery of the wall 10, and spaced between theflues 18 and fire boxes 16. It will thus be seen that as the heat andproducts of combustion from the fire boxes 16 pass upwardly through theflues 18 they are deflected by the arched dome 13 and directeddownwardly upon the brick stacked within the kiln. The heat passes thusbetween the stacked bricks through the openings 28 in the fioor 23 andinto the parallel passages or fiues 24. The heat is also drawn throughthe openings 33 at the periphery of the wall into the radial fiues 32and through such fiues into the diametrical fiue 29 and all of the heatthus discharged from the diainetrical fiue into the trunk flue 30 and tothe stack 31.

N 0 means have been shown for controlling the inlet of air through theports or to the fire boxes 16, or closure for the fiue 14, such meansbeing preferably simply any common and Well known means for regulatingsuch openings, and have been omitted for the purpose of clearness.

l/Vhat I claim is:

In a brick kiln, a stack, a trunk flue eX- tending to and terminating atthe center of the kiln, a cllametrical fiue in the same plane with andcommunicating at its center with the terminus of the trunk flue, aplurality of radial fiues disposed on the plane above and communicatingat their central ends only with the trunk and diametrical fiues and attheir peripheral extremities with the interior of the kiln, a pluralityof parallel fines disposed in a plane above and out of communicationwith the radial fiues and communicating at their middles With thediametrical fiue, and flooring disposed on the plane and having openingstherethrough communicating only with the parallel fiues. In testimonywhereof I affix my signature in presence of two witnesses.

VILLIAM GIBFORD. Witnesses ISABEL M. STRONG, CABLE VVHITEHEAD.

